Angles
Triangles by Angles
Surprise Me!
Triangles by Sides
Symmetry
100
A square is made up of 4 ____________ angles.
(Acute, right, obtuse, or straight)
Right (or 90o)
100
What kind of triangle is shown below?
(Acute, right, obtuse, or straight)
Right
100
Draw a picture of a right triangle.
100
A triangle with no congruent sides is a ______ triangle?
Scalene
100
What is the math word that means, equal or the same shape & size?
CONGRUENT
200
A right angle is exactly ____ degrees.
90o
200
What kind of triangle is shown below?
(Acute, right, obtuse, or straight)
Obtuse
200
What is the difference between an Equilateral Triangle and a Scalene Triangle?
An Equilateral Triangle has 3 equal sides.
A Scalene Triangle has 3 different sides.
200
If a triangle has 2 congruent sides, then it is what kind of triangle?
Isosceles triangle
200
Symmetrical lines that go up and down are called ______
Vertical
300
A straight angle is __________ degrees.
180o
300
What is an acute triangle?
A triangle with 3 acute angles.
300
How many lines of Symmetry does Isosceles triangle ABC have?
1
300
TRUE or FALSE
A scalene triangle can also be an equilateral.
FALSE
300
Symmetrical lines that go side to side are called ______
Horizontal
400
What is the definition of an acute angle?
An angle measuring less than 90 degrees.
400
What kind of triangle is shown below?
(Acute, right, obtuse, or straight)
Acute triangle
400
How many lines of Symmetry does an Equilateral triangle have?
3
400
Triangle ABC is what kind of triangle?
Equilateral
400
Symmetrical lines that are slanted are called ______
Diagonal
500
What is the definition of an obtuse angle?
An angle measuring more than 90 degrees.
500
How many obtuse angles are needed to make an Obtuse Triangle?
1
500
What is 234 x 16?
3744
500
What kind of Triangle is pictured below?
Isosceles
500
How many lines of Symmetry does this Octagon have?
8 